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发明名称
DIRECTIONALLY IMAGED RETROREFLECTIVE SHEETING
摘要
申请公布号
EP0170518(B1)
申请公布日期
1992.04.08
申请号
EP19850305413
申请日期
1985.07.30
申请人
MINNESOTA MINING AND MANUFACTURING COMPANY
发明人
ORENSTEEN, BRUCE D. C/O MINNESOTA MINING AND;BRADSHAW, THOMAS I. C/O MINNESOTA MINING AND
分类号
B44F1/12;G02B5/12;G02B5/128;G06K19/06;G06K19/14;G09F13/16
主分类号
B44F1/12
代理机构
代理人
主权项
地址
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